in还是on the blackboard

用in on to from for at填空1.I usually go ______ bed at nine o'clock in the evening.2.Come _____ please.3.Will you piease turn _____ the TV 4.He is ____ Japan.5.I'm looking ____ my key.6.Look _____ the blackboar,please. in the town还是on in还是on the blackboard in还是on the newspaper in the photos 还是on? on the shelf还是in the shelf? in the sofa 还是 on the sofa? in the day还是on the day? on the decline 还是in the decline on the land还是in the land?. in the playground 还是on the playgrand On the street 还是 in the street in the mountain还是on the mountain in the internet还是on the internet in the opposite还是on the opposite on the world还是in the world? in the playground 还是on the playground? on the plane还是in the plane